option_2=StrOption(name="var1",doc="a first variable",default="no",properties=frozenset({"mandatory","standard"}),informations={'type':'string'})
option_3=StrOption(name="var2",doc="a second variable",default=Calculation(func['calc_value'],Params((ParamOption(option_2)))),properties=frozenset({"basic","force_store_value","mandatory"}),informations={'type':'string'})